:root {
  --paper: #f7f9fc;
  --white: #ffffff;
  --ink: #10203b;
  --muted: #65738a;
  --line: rgba(31, 58, 95, 0.17);
  --blue: #234f9b;
  --cobalt: #427cdf;
  --ice: #dce9f8;
  --navy: #111d34;
  --serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --sans: "Yu Gothic", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Microsoft YaHei", sans-serif;
  --shell: min(1280px, calc(100vw - 96px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); font-feature-settings: "palt" 1; -webkit-font-smoothing: antialiased; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.skip-link { position: fixed; z-index: 100; top: 12px; left: 12px; padding: 10px 16px; background: var(--ink); color: #fff; transform: translateY(-150%); }
.skip-link:focus { transform: none; }
.scroll-meter { position: fixed; z-index: 80; left: 0; top: 0; width: 100%; height: 2px; }
.scroll-meter span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--blue), #70cde1); }

.site-header { position: fixed; z-index: 70; inset: 0 0 auto; height: 84px; display: flex; align-items: center; justify-content: space-between; padding: 0 48px; border-bottom: 1px solid transparent; transition: .35s ease; }
.site-header.scrolled { height: 68px; background: rgba(248,250,253,.9); border-color: var(--line); backdrop-filter: blur(20px); }
.wordmark { display: flex; align-items: center; gap: 13px; }
.wordmark-sign { position: relative; width: 31px; height: 31px; }
.wordmark-sign i { position: absolute; inset: 4px 0; border: 2px solid var(--blue); border-radius: 50% 8px 50% 8px; transform: rotate(36deg); }
.wordmark-sign i:last-child { transform: rotate(144deg); opacity: .48; }
.wordmark strong { display: block; font-family: Arial, sans-serif; font-size: 13px; letter-spacing: .19em; }
.wordmark small { display: block; margin-top: 4px; font-size: 9px; letter-spacing: .12em; color: var(--muted); }
.header-panel { display: flex; align-items: center; gap: 38px; }
.header-panel nav { display: flex; gap: 30px; }
.header-panel nav a { position: relative; padding: 10px 0; font-size: 12px; letter-spacing: .05em; }
.header-panel nav a::after { content: ""; position: absolute; left: 0; bottom: 4px; width: 100%; height: 1px; background: var(--blue); transform: scaleX(0); transform-origin: right; transition: transform .3s; }
.header-panel nav a:hover::after, .header-panel nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.language { display: flex; align-items: center; gap: 9px; }
.language span { width: 18px; height: 1px; background: var(--line); }
.language button { padding: 7px 3px; border: 0; background: transparent; color: var(--muted); font-size: 10px; letter-spacing: .08em; cursor: pointer; }
.language button[aria-pressed="true"] { color: var(--blue); font-weight: 700; }
.menu-toggle { display: none; }

.hero { position: relative; min-height: 780px; height: 100vh; overflow: hidden; background: #dfe9f5; }
.hero-image { position: absolute; inset: 0; height: 100%; object-fit: cover; object-position: center; transform: scale(1.025); animation: hero-settle 2.2s cubic-bezier(.16,1,.3,1) forwards; }
.hero-veil { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(249,251,254,.97) 0%, rgba(247,250,253,.84) 29%, rgba(247,250,253,.18) 56%, rgba(235,243,250,.08) 100%), linear-gradient(0deg, rgba(16,32,59,.06), transparent 30%); }
.hero-copy { position: absolute; z-index: 2; left: max(7vw, 72px); top: 50%; width: min(650px, 46vw); transform: translateY(-45%); }
.hero-kicker { margin: 0 0 32px; color: var(--blue); font: 600 11px/1.5 Arial, sans-serif; letter-spacing: .18em; }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(48px, 5.4vw, 84px); font-weight: 500; line-height: 1.25; letter-spacing: .01em; }
.hero h1 span { display: block; opacity: 0; transform: translateY(28px); animation: title-in 1s .25s cubic-bezier(.16,1,.3,1) forwards; }
.hero h1 span:last-child { animation-delay: .4s; }
.hero-lead { max-width: 560px; margin: 31px 0 29px; color: #43536b; font-size: 15px; line-height: 2.05; letter-spacing: .03em; opacity: 0; animation: title-in .9s .62s ease forwards; }
.text-link { display: inline-flex; align-items: center; gap: 14px; font-size: 12px; font-weight: 700; letter-spacing: .08em; opacity: 0; animation: title-in .9s .78s ease forwards; }
.text-link i { position: relative; width: 52px; height: 1px; background: var(--ink); transition: width .3s; }
.text-link i::after { content: ""; position: absolute; right: 0; top: -3px; width: 7px; height: 7px; border-top: 1px solid; border-right: 1px solid; transform: rotate(45deg); }
.text-link:hover i { width: 66px; }
.hero-index { position: absolute; z-index: 2; right: 43px; bottom: 42px; display: flex; align-items: center; gap: 10px; writing-mode: vertical-rl; color: #53657e; font: 9px Arial, sans-serif; letter-spacing: .15em; }
.hero-index i { height: 42px; width: 1px; background: rgba(34,67,112,.3); }

.section-shell { width: var(--shell); margin-inline: auto; }
.statement { display: grid; grid-template-columns: 28% 1fr; gap: 8%; padding-block: 160px; }
.statement-label { display: flex; align-items: flex-start; gap: 14px; padding-top: 15px; color: var(--blue); font: 10px Arial, sans-serif; letter-spacing: .18em; }
.statement-label i { width: 72px; height: 1px; margin-top: 5px; background: var(--blue); }
.statement-copy h2 { max-width: 890px; margin: 0; font-family: var(--serif); font-size: clamp(36px, 4.25vw, 66px); font-weight: 500; line-height: 1.45; }
.statement-copy p { max-width: 680px; margin: 42px 0 0 auto; color: #52627a; font-size: 15px; line-height: 2.1; }

.live-feature { width: min(1440px, calc(100vw - 48px)); margin: 0 auto 170px; display: grid; grid-template-columns: 55% 45%; background: var(--white); box-shadow: 0 40px 90px rgba(34,65,108,.09); }
.media-frame { position: relative; min-height: 780px; overflow: hidden; }
.media-frame img { height: 100%; object-fit: cover; }
.media-caption { position: absolute; left: 28px; bottom: 24px; padding: 9px 12px; color: #fff; background: rgba(15,31,54,.78); backdrop-filter: blur(9px); font: 9px Arial, sans-serif; letter-spacing: .14em; }
.live-content { padding: 92px 8% 78px; }
.section-mark { display: flex; align-items: center; gap: 12px; margin-bottom: 36px; color: var(--blue); font: 10px Arial, sans-serif; letter-spacing: .13em; }
.section-mark span { font-size: 17px; }
.section-mark i { width: 50px; height: 1px; background: currentColor; opacity: .6; }
.section-mark b { font-weight: 500; }
.live-content h2, .curation-copy h2, .meti-copy h2 { margin: 0; font-family: var(--serif); font-size: clamp(37px, 3.4vw, 57px); font-weight: 500; line-height: 1.52; }
.live-content .lead { margin: 29px 0 45px; color: #52627a; font-size: 14px; line-height: 2; }
.capability-list { border-top: 1px solid var(--line); }
.capability-list article { display: grid; grid-template-columns: 54px 1fr; gap: 20px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.capability-list article > span { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid rgba(35,79,155,.22); border-radius: 50%; color: var(--blue); font-family: var(--serif); }
.capability-list h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 17px; font-weight: 600; }
.capability-list p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

.flow { padding: 0 0 175px; }
.flow-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 56px; }
.flow-head p { margin: 0 0 9px; color: var(--blue); font: 10px Arial, sans-serif; letter-spacing: .17em; }
.flow-head h2 { margin: 0; font-family: var(--serif); font-size: clamp(34px, 4vw, 58px); font-weight: 500; }
.flow ol { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin: 0; padding: 0; list-style: none; }
.flow ol::before { content: ""; position: absolute; left: 0; right: 0; top: 34px; height: 1px; background: linear-gradient(90deg, #6ea6e5, #1f529e, #6ea6e5); }
.flow li { position: relative; padding-right: 34px; }
.flow li::before { content: ""; display: block; width: 9px; height: 9px; margin: 30px 0 30px; border: 4px solid var(--paper); border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 1px var(--blue); }
.flow em { position: absolute; top: 0; left: 0; color: #7a8da8; font: normal 9px Arial, sans-serif; }
.flow span { display: block; font-family: var(--serif); font-size: 21px; }
.flow small { display: block; margin-top: 8px; color: var(--muted); font-size: 11px; }

.curation { display: grid; grid-template-columns: 43% 57%; min-height: 800px; background: #eaf0f7; }
.curation-copy { align-self: center; padding: 100px 10vw 100px max(7vw, 68px); }
.curation-copy > p { margin: 32px 0 45px; color: #53647b; font-size: 14px; line-height: 2.05; }
.curation-copy dl { margin: 0; border-top: 1px solid var(--line); }
.curation-copy dl div { display: grid; grid-template-columns: 120px 1fr; padding: 17px 0; border-bottom: 1px solid var(--line); }
.curation-copy dt { font-family: var(--serif); font-weight: 600; }
.curation-copy dd { margin: 0; color: var(--muted); font-size: 12px; }
.curation-image { min-height: 800px; overflow: hidden; }
.curation-image img { height: 100%; object-fit: cover; }

.meti { display: grid; grid-template-columns: 49% 51%; background: var(--navy); color: #f6f8fc; }
.meti-image { min-height: 860px; overflow: hidden; }
.meti-image img { height: 100%; object-fit: cover; }
.meti-copy { padding: 100px max(7vw, 70px); }
.section-mark.light { color: #8bb9f5; }
.meti-copy > p { margin: 30px 0 43px; color: #b9c5d7; font-size: 14px; line-height: 2; }
.meti-steps { border-top: 1px solid rgba(255,255,255,.14); }
.meti-steps article { display: grid; grid-template-columns: 38px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,.14); }
.meti-steps article > b { color: #8bb9f5; font: 400 20px Arial, sans-serif; }
.meti-steps h3 { margin: 0 0 7px; font-family: var(--serif); font-size: 17px; font-weight: 500; }
.meti-steps p { margin: 0; color: #9fadbf; font-size: 12px; line-height: 1.8; }
.meti-copy aside { margin-top: 30px; padding-left: 18px; border-left: 1px solid #5c8fce; color: #93a2b8; font-size: 10px; line-height: 1.9; }

.philosophy { position: relative; display: grid; place-items: center; min-height: 750px; overflow: hidden; }
.philosophy::before { content: ""; position: absolute; width: 630px; height: 630px; border: 1px solid rgba(39,83,147,.16); border-radius: 50%; }
.philosophy::after { content: ""; position: absolute; width: 470px; height: 470px; border: 1px solid rgba(39,83,147,.09); border-radius: 50%; }
.philosophy > div { position: relative; z-index: 1; max-width: 800px; text-align: center; }
.philosophy > div > span { color: var(--blue); font: 10px Arial, sans-serif; letter-spacing: .18em; }
.philosophy h2 { margin: 30px 0; font-family: var(--serif); font-size: clamp(36px, 4.5vw, 64px); font-weight: 500; line-height: 1.55; }
.philosophy p { max-width: 650px; margin: 0 auto; color: var(--muted); font-size: 14px; line-height: 2.2; }
.vertical-word { position: absolute; left: 0; margin: 0; color: rgba(37,79,144,.035); font: 700 15vw/.8 Arial, sans-serif; letter-spacing: -.08em; transform: rotate(-90deg) translate(-10%, -30%); }

.company { padding: 150px max(6vw, 54px); background: #fff; }
.company-heading { width: var(--shell); margin: 0 auto 70px; }
.company-heading > span { color: var(--blue); font: 10px Arial, sans-serif; letter-spacing: .18em; }
.company-heading h2 { margin: 22px 0 17px; font-family: var(--serif); font-size: clamp(38px, 4.5vw, 62px); font-weight: 500; }
.company-heading p { margin: 0; color: var(--muted); font-size: 13px; }
.company-grid { width: var(--shell); margin: auto; display: grid; grid-template-columns: 1.25fr .75fr; gap: 9%; }
.profile-table { margin: 0; border-top: 1px solid var(--ink); }
.profile-table > div { display: grid; grid-template-columns: 150px 1fr; min-height: 66px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.profile-table dt { color: var(--muted); font-size: 11px; }
.profile-table dd { margin: 0; font-family: var(--serif); font-size: 14px; line-height: 1.7; }
.timeline { padding-left: 35px; border-left: 1px solid var(--line); }
.timeline h3 { margin: 0 0 28px; font-family: var(--serif); font-size: 24px; font-weight: 500; }
.timeline > div { position: relative; display: grid; grid-template-columns: 78px 1fr; gap: 20px; padding: 0 0 30px; }
.timeline > div::before { content: ""; position: absolute; left: -40px; top: 5px; width: 9px; height: 9px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 5px #edf3fb; }
.timeline time { color: var(--blue); font: 10px Arial, sans-serif; letter-spacing: .08em; }
.timeline p { margin: 0; font-size: 12px; line-height: 1.7; }

footer { padding: 58px max(6vw, 54px) 30px; background: #0d1729; color: #d5deec; }
.footer-brand { display: flex; align-items: baseline; gap: 18px; }
.footer-brand strong { font: 600 15px Arial, sans-serif; letter-spacing: .18em; }
.footer-brand span { color: #7e8da5; font-size: 10px; }
footer > p { margin: 55px 0 80px; font-family: var(--serif); font-size: clamp(28px, 3vw, 44px); }
.footer-meta { display: flex; justify-content: space-between; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); color: #74839a; font: 9px Arial, sans-serif; letter-spacing: .08em; }
.footer-meta nav { display: flex; gap: 28px; }
.footer-meta a { transition: color .25s ease; }
.footer-meta a:hover, .footer-meta a:focus-visible { color: #d5deec; }

.legal-page { background: #f7f9fc; }
.legal-page .site-header { background: rgba(248,250,253,.94); }
.legal-shell { width: min(860px, calc(100vw - 48px)); margin: 0 auto; padding: 160px 0 130px; }
.legal-kicker { margin: 0 0 24px; color: var(--blue); font: 600 10px Arial, sans-serif; letter-spacing: .18em; }
.legal-shell > h1 { margin: 0; font-family: var(--serif); font-size: clamp(38px, 5vw, 64px); font-weight: 500; line-height: 1.4; }
.legal-updated { margin: 22px 0 75px; color: var(--muted); font-size: 11px; }
.legal-shell section { padding: 38px 0; border-top: 1px solid var(--line); }
.legal-shell section h2 { margin: 0 0 18px; font-family: var(--serif); font-size: 24px; font-weight: 600; }
.legal-shell section p { margin: 0; color: #52627a; font-size: 14px; line-height: 2.1; }
.legal-back { display: inline-flex; margin-top: 48px; padding-bottom: 7px; border-bottom: 1px solid var(--ink); font-size: 12px; font-weight: 700; letter-spacing: .06em; }
.legal-footer > p { display: none; }
.not-found-shell { display: flex; flex-direction: column; justify-content: center; width: min(880px, calc(100vw - 48px)); min-height: 100vh; margin: 0 auto; padding: 120px 0 80px; }
.not-found-shell > p { margin: 0 0 28px; color: var(--blue); font: 600 11px Arial, sans-serif; letter-spacing: .18em; }
.not-found-shell h1 { max-width: 760px; margin: 0; font-family: var(--serif); font-size: clamp(40px, 6vw, 76px); font-weight: 500; line-height: 1.35; }
.not-found-shell > span { margin: 28px 0 44px; color: var(--muted); font-size: 14px; line-height: 2; }
.not-found-shell > a { align-self: flex-start; padding-bottom: 7px; border-bottom: 1px solid var(--ink); font-size: 12px; font-weight: 700; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity .9s ease, transform .9s cubic-bezier(.16,1,.3,1); }
.reveal.is-visible { opacity: 1; transform: none; }
*:focus-visible { outline: 2px solid #2f65bc; outline-offset: 4px; }

@keyframes hero-settle { to { transform: scale(1); } }
@keyframes title-in { to { opacity: 1; transform: none; } }

@media (max-width: 1040px) {
  :root { --shell: min(100% - 48px, 900px); }
  .site-header { padding-inline: 24px; }
  .header-panel nav { gap: 18px; }
  .hero-copy { left: 6vw; width: 57vw; }
  .live-feature { grid-template-columns: 1fr; width: calc(100vw - 32px); }
  .media-frame { min-height: 620px; }
  .live-content { padding: 72px 8%; }
  .curation { grid-template-columns: 1fr; }
  .curation-copy { padding: 90px 8vw; }
  .curation-image { min-height: 650px; }
  .meti { grid-template-columns: 1fr; }
  .meti-image { min-height: 620px; }
  .company-grid { grid-template-columns: 1fr; }
  .timeline { margin-top: 30px; }
}

@media (max-width: 760px) {
  :root { --shell: calc(100vw - 36px); }
  .site-header { height: 70px; padding-inline: 18px; }
  .wordmark small { display: none; }
  .menu-toggle { display: grid; grid-template-columns: 24px auto; column-gap: 9px; align-items: center; border: 0; background: transparent; cursor: pointer; }
  .menu-toggle span { grid-column: 1; display: block; width: 23px; height: 1px; background: var(--ink); }
  .menu-toggle b { grid-column: 2; grid-row: 1 / 4; font-size: 9px; font-weight: 500; }
  .header-panel { position: fixed; inset: 69px 0 auto; display: none; padding: 25px 20px 30px; background: rgba(248,250,253,.98); border-bottom: 1px solid var(--line); }
  .header-panel.open { display: block; }
  .header-panel nav { flex-direction: column; gap: 4px; }
  .header-panel nav a { padding: 11px 0; border-bottom: 1px solid var(--line); }
  .language { margin-top: 18px; }
  .hero { min-height: 720px; height: 88svh; }
  .hero-image { object-position: 63% center; }
  .hero-veil { background: linear-gradient(90deg, rgba(249,251,254,.97), rgba(247,250,253,.72) 68%, rgba(247,250,253,.3)), linear-gradient(0deg, rgba(249,251,254,.8), transparent 45%); }
  .hero-copy { left: 22px; top: 52%; width: calc(100vw - 44px); }
  .hero-kicker { margin-bottom: 24px; font-size: 8px; }
  .hero h1 { font-size: clamp(39px, 12vw, 54px); }
  .hero-lead { max-width: 88%; font-size: 13px; line-height: 1.9; }
  .hero-index { display: none; }
  .statement { grid-template-columns: 1fr; gap: 32px; padding-block: 100px; }
  .statement-copy h2 { font-size: 36px; }
  .statement-copy p { margin-top: 30px; }
  .live-feature { margin-bottom: 110px; }
  .media-frame { min-height: 420px; }
  .live-content { padding: 60px 24px; }
  .live-content h2, .curation-copy h2, .meti-copy h2 { font-size: 34px; }
  .flow { padding-bottom: 110px; }
  .flow ol { grid-template-columns: 1fr 1fr; row-gap: 44px; }
  .flow ol::before { display: none; }
  .flow li::before { margin-bottom: 18px; }
  .curation-copy, .meti-copy { padding: 70px 24px; }
  .curation-image, .meti-image { min-height: 400px; }
  .meti-image { order: 2; }
  .philosophy { min-height: 650px; }
  .philosophy h2 { font-size: 35px; }
  .philosophy p { font-size: 13px; }
  .company { padding: 100px 18px; }
  .profile-table > div { grid-template-columns: 105px 1fr; }
  .timeline { padding-left: 24px; }
  .timeline > div::before { left: -29px; }
  footer { padding: 50px 20px 28px; }
  .footer-brand { align-items: flex-start; flex-direction: column; gap: 8px; }
  footer > p { margin-block: 44px 62px; }
  .footer-meta { align-items: flex-start; gap: 28px; }
  .footer-meta nav { flex-direction: column; align-items: flex-end; gap: 13px; }
  .legal-shell { width: calc(100vw - 40px); padding: 125px 0 90px; }
  .legal-updated { margin-bottom: 52px; }
  .legal-shell section { padding: 30px 0; }
  .not-found-shell { width: calc(100vw - 40px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}
